Related Experiment Video

Updated: Feb 10, 2026

Assays for the Identification of Novel Antivirals against Bluetongue Virus
12:02

Assays for the Identification of Novel Antivirals against Bluetongue Virus

Published on: October 11, 2013

14.6K

Chronic Hepatitis C and Direct Acting Antivirals

Maria Westerhoff1, Joseph Ahn2

  • 1University of Michigan, 1301 Catherine Street, 5231 Medical Science Building 1, Ann Arbor, MI 48104, USA.

Surgical Pathology Clinics
|May 13, 2018
PubMed

Insights

Hepatitis C virus (HCV) infection is a leading cause of liver disease. Recent direct-acting antiviral therapies have dramatically improved cure rates for HCV, offering new hope for patients.

Area of Science:

  • Hepatology
  • Virology
  • Pathology

Background:

  • Hepatitis C virus (HCV) is a major U.S. blood-borne pathogen.
  • HCV is the primary cause of end-stage liver disease and liver transplant necessity.
  • HCV treatment has seen significant advancements in the past decade.

Purpose of the Study:

  • To provide pathologists and clinicians with an overview of HCV.
  • To detail the histologic findings associated with HCV infection.
  • To discuss the impact and application of direct-acting antiviral therapies for HCV.

Main Methods:

  • Review of current literature on HCV pathology.
  • Analysis of histologic features in HCV-infected patients.
  • Examination of direct-acting antiviral treatment outcomes.

Main Results:

  • Direct-acting antiviral therapies have increased HCV cure rates to over 90%.
  • Histologic findings provide crucial diagnostic and prognostic information.
  • Successful treatment significantly impacts liver disease progression.

Conclusions:

  • Direct-acting antivirals represent a revolutionary advancement in HCV management.
  • Understanding HCV histology is essential for accurate diagnosis and monitoring.
  • Improved treatment outcomes underscore the importance of accessible care.

Keywords:
Diagnostic criteriaDirectly acting antiviralsHepatitis CHistologyLiver biopsyTransient elastography

More Related Videos

Immunofluorescence to Monitor the Cellular Uptake of Human Lactoferrin and its Associated Antiviral Activity Against the Hepatitis C Virus06:28

Immunofluorescence to Monitor the Cellular Uptake of Human Lactoferrin and its Associated Antiviral Activity Against the Hepatitis C Virus

Published on: October 1, 2015

14.1K
Measurement of the Hepatic Venous Pressure Gradient and Transjugular Liver Biopsy07:10

Measurement of the Hepatic Venous Pressure Gradient and Transjugular Liver Biopsy

Published on: June 18, 2020

22.9K

Related Concept Videos

Direct-Acting Cholinergic Agonists: Pharmacokinetics01:31

Direct-Acting Cholinergic Agonists: Pharmacokinetics

Direct-acting cholinergic agonists, such as synthetic choline esters and naturally occurring alkaloids, exert their effects by enhancing the actions of acetylcholine and stimulating the parasympathetic nervous system. Synthetic choline esters share structural similarities with acetylcholine. For example, they have a positively charged quaternary ammonium or onium group, contributing to their hydrophilic characteristics. As a result, they are poorly absorbed in the body through oral...
1.9K
Direct-Acting Cholinergic Agonists: Therapeutic Uses01:11

Direct-Acting Cholinergic Agonists: Therapeutic Uses

Direct-acting cholinergic agonists have many therapeutic uses in various medical fields. Choline esters, including acetylcholine, have limited clinical utility due to their non-selectivity and short duration of action. Still, acetylcholine and carbachol are applied topically during ophthalmologic surgery to induce miosis. Pilocarpine, a muscarinic and ganglionic stimulator, effectively treats open-angle glaucoma and alleviates xerostomia and dry mouth caused by radiotherapy or Sjögren...
1.8K
Adrenergic Agonists: Direct-Acting Agents01:30

Adrenergic Agonists: Direct-Acting Agents

Drugs that mimic the action of endogenous catecholamines like noradrenaline and adrenaline are called adrenergic agonists or sympathomimetics. Based on their mechanism of action, sympathomimetics can be classified as direct-, indirect-, or mixed-acting sympathomimetics. Direct-acting adrenergic agonists activate adrenoceptors without affecting presynaptic neurons, making them independent of neuronal catecholamine-depleting agents like reserpine and guanethidine.
These agents can be classified...
2.9K
Direct-Acting Cholinergic Agonists: Pharmacological Actions00:59

Direct-Acting Cholinergic Agonists: Pharmacological Actions

Direct-acting cholinergic agonists exert their pharmacological actions by mimicking the effects of acetylcholine on postsynaptic muscarinic receptors to generate parasympathetic responses. These agents elicit a range of physiological responses, including cardiovascular effects. For example, activation of muscarinic receptors induces bradycardia, decreased cardiac output, reduced peripheral resistance, and consequent hypotension. In the eye, stimulation of M3 receptors leads to smooth muscle...
2.4K
Direct-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship01:22

Direct-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship

Cholinergic agonists or cholinomimetics mimic the action of acetylcholine to stimulate the parasympathetic nervous system. They are categorized into direct-acting and indirect-acting agents. The direct-acting cholinergic drugs induce the parasympathetic response by directly binding to the muscarinic or nicotine receptors. In comparison, the indirect-acting cholinergic drugs prevent acetylcholine hydrolysis, indirectly contributing to the extended parasympathetic response.
The direct-acting...
2.2K
Forces Acting on Chromosomes02:11

Forces Acting on Chromosomes

During mitosis, chromosome movements occur through the interplay of multiple piconewton level forces. In prometaphase, these forces help in chromosome assembly or congression at the equatorial plane, eventually leading to their alignment at the metaphase plate. The forces acting on the chromosomes are space and time-dependent; therefore, they vary with the position of the chromosomes as the cell progresses through mitosis. 
Microtubules and motor proteins exert two types of forces on...
4.0K